Vintage working door buying lock with key

buying Vintage working door lock with key. It's made in Poland in 1920 - 1930s.
It's metal. In good vintage condition. See on photos.
It's good working. Key is included too.

Size:
Door lock - 6.24 inch x 4.485 inch (16 cm x 11.5 cm)
Thickness of lock - 0.975 inch (2.5cm)
Length of key - 3.9 inch (10.cm)